Finding the Fourth Proportional to 29,037,003.93, 40,071,575.05 and 15,806,561.28
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Solution
The fourth proportional to 29,037,003.93, 40,071,575.05 and 15,806,561.28 is: 21,813,331.99
Step by Step Solution
- Step 1: Write the proportion equation
29,037,003.93 : 40,071,575.05 = 15,806,561.28 : x - Step 2: Convert to fraction form
29,037,003.93/40,071,575.05 = 15,806,561.28/x - Step 3: Cross multiply
29,037,003.93x = 40,071,575.05 × 15,806,561.28 - Step 4: Simplify right side
29,037,003.93x = 633,393,806,738,458 - Step 5: Solve for x
x = 633,393,806,738,458/29,037,003.93 - Step 6: Final answer
x = 21,813,331.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.